  public class geometry
   {
     public static void main(String[] args)
   {
     int sides = 7;
     System.out.println("A heptagon has " + sides + " sides.");
    sides = 10; 
System.out.println("A decagon has " + sides + " sides.");
    sides = 12;
  System.out.println("A dodecagon has " + sides + " sides.");
     }
  }
     
